{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{9}{c}}
\hline\hline
                    &\multicolumn{3}{c}{Short term (2019-2020)}                    &\multicolumn{6}{c}{Medium term (2019-2021)}                                                                                  \\
                    &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}&\multicolumn{1}{c}{(5)}&\multicolumn{1}{c}{(6)}&\multicolumn{1}{c}{(7)}&\multicolumn{1}{c}{(8)}&\multicolumn{1}{c}{(9)}\\
                    &\multicolumn{1}{c}{Past econ. perception}&\multicolumn{1}{c}{Env. policy index}&\multicolumn{1}{c}{Green vote int.}&\multicolumn{1}{c}{Past econ. perception}&\multicolumn{1}{c}{Env. concern index}&\multicolumn{1}{c}{Protect environment $>$ jobs}&\multicolumn{1}{c}{Green energy index}&\multicolumn{1}{c}{Green cand. pref.}&\multicolumn{1}{c}{Green vote int.}\\
\hline
network             &     0.00134        &     -0.0784        &     -0.0202        &    -0.00899        &     -0.0136        &     -0.0779        &     -0.0319        &     -0.0854\sym{*} &     -0.0220        \\
                    &    (0.0356)        &    (0.0493)        &    (0.0171)        &    (0.0350)        &    (0.0255)        &    (0.0510)        &    (0.0259)        &    (0.0393)        &    (0.0184)        \\
[1em]
2020                &      -0.110\sym{**}&      0.0168        &      0.0214\sym{+} &                    &                    &                    &                    &                    &                    \\
                    &    (0.0251)        &    (0.0371)        &    (0.0117)        &                    &                    &                    &                    &                    &                    \\
[1em]
2021                &                    &                    &                    &      0.0405        &     -0.0819\sym{**}&      -0.173\sym{**}&     -0.0361\sym{+} &     -0.0352        &      0.0260\sym{*} \\
                    &                    &                    &                    &    (0.0253)        &    (0.0186)        &    (0.0372)        &    (0.0186)        &    (0.0291)        &    (0.0123)        \\
[1em]
Constant            &       3.097\sym{**}&       2.779\sym{**}&       0.271\sym{**}&       3.095\sym{**}&       3.656\sym{**}&       3.221\sym{**}&       3.453\sym{**}&       3.721\sym{**}&       0.275\sym{**}\\
                    &   (0.00893)        &   (0.00933)        &   (0.00413)        &   (0.00827)        &   (0.00601)        &    (0.0120)        &   (0.00611)        &   (0.00931)        &   (0.00424)        \\
\hline
N                   &        4735        &        3792        &        3870        &        4474        &        4503        &        4399        &        4484        &        4123        &        3716        \\
N\_clust             &        2381        &        2375        &        2140        &        2375        &        2379        &        2366        &        2374        &        2250        &        2122        \\
\hline\hline
\multicolumn{10}{l}{\footnotesize Standard errors in parentheses}\\
\multicolumn{10}{l}{\footnotesize \sym{+} \(p<0.1\), \sym{*} \(p<0.05\), \sym{**} \(p<0.01\)}\\
\end{tabular}
}
